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Finding the Fourth Proportional to 293,051.68, 439,281.24 and 115,489.60

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Solution

The fourth proportional to 293,051.68, 439,281.24 and 115,489.60 is: 173,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,051.68 : 439,281.24 = 115,489.60 : x
  2. Step 2: Convert to fraction form
    293,051.68/439,281.24 = 115,489.60/x
  3. Step 3: Cross multiply
    293,051.68x = 439,281.24 × 115,489.60
  4. Step 4: Simplify right side
    293,051.68x = 50,732,414,695.10
  5. Step 5: Solve for x
    x = 50,732,414,695.10/293,051.68
  6. Step 6: Final answer
    x = 173,117.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.